3013324c058c84ded174beebf31bac79a8a9c732211d2e8fa1c33c66e8ec6394

Analysis

max time kernel
4265056s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
14/01/2022, 17:37

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General

Target
95239a6381f87576f24f810db828f05f.dll
Size 574KB
Sample220114-v66nkshea3
SHA256 3013324c058c84ded174beebf31bac79a8a9c732211d2e8fa1c33c66e8ec6394
MD5 95239a6381f87576f24f810db828f05f
SHA1 c2c5c6a169455b4021e5d8463d863866dc4bf4ad
SHA512 e5538e7ff18faab2e0e3d723bd74703a0bb9ce3c18c3f14c584d03113be8c532cf44532262d9f1bf5b8ac9256018e18cdf76054f10ac649e4687e00db0e3845a
MD5 SHA1 SHA512

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotification.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotification.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1404	MusNotification.exe
Token: SeCreatePagefilePrivilege	1404	MusNotification.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 220	2848	regsvr32.exe	55
PID 2848 wrote to memory of 220	2848	regsvr32.exe	55
PID 2848 wrote to memory of 220	2848	regsvr32.exe	55
PID 220 wrote to memory of 3164	220	regsvr32.exe	56
PID 220 wrote to memory of 3164	220	regsvr32.exe	56
PID 220 wrote to memory of 3164	220	regsvr32.exe	56

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\95239a6381f87576f24f810db828f05f.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\95239a6381f87576f24f810db828f05f.dll
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:220
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\95239a6381f87576f24f810db828f05f.dll",DllRegisterServer
    3⤵
    PID:3164

C:\Windows\system32\MusNotification.exe
C:\Windows\system32\MusNotification.exe
1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1404

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/220-131-0x0000000004E31000-0x0000000004E55000-memory.dmp

Download

memory/220-132-0x0000000004E55000-0x0000000004E56000-memory.dmp